- Inconel tool life increase with the 0124 drill head
- Cutting cost reduction in low-alloy steel DIN 16Mo3 with the 0124 drill head
- Tube sheet drilling with the BTU drill head
- Turbine Casing drilling with the DTS tooling
- High quality surface finish with the HF drill
- High-speed train axle drilling with Unidex
- Wind power generator, main shaft drilling with Unidex
- Power steering shaft drilling with BTU drill head
Inconel tool life increase with the 0124 drill head
Increase in tool life with better chip evacuation and improved coolant flow. Hole straightness of 0.13mm/m or better.
| Component | Bar stock |
| Material | Inconel 718 (HRc40) |
| Application | Solid drilling |
| Tool diameter | ø30 mm |
| Drilling depth | 660 mm |
| Machine | BTA machine |
| Coolant | Oil based |
| Cutting speed | 20 m/min |
| Spindle speed | 0.15 mm/rev |
| Chip Breaker | G |
| Grade | UC2220 (NLX) |
Cutting cost reduction in low-alloy steel DIN 16Mo3 with the 0124 drill head
Better chip evacuation enables more stable cutting. No chip jamming even with a 21 % increase in table feed compared to other tools in the market. With this improvement, cutting cost is reduced by 23 % per workpiece material.
| Component | Parts for heat exchanger |
| Material | DIN 16Mo3 |
| Application | Solid drilling |
| Tool diameter | ø30.4 mm |
| Machine | BTA machine |
| Coolant | Oil based |
| Cutting speed | 120 m/min |
| Spindle speed | 0.16 mm/rev |
| Feed | 201 mm/min |
| Chip Breaker | G |
| Grade | UC2220 (NLX) |
Tube sheet drilling with the BTU drill head
In the past, when drilling 18,000 holes in a tube sheet, drills had to be replaced every 15 holes. But our tool life has improved to 25 holes, reducing drill usage from 1,200 to 720.
| Component | Tube sheet |
| Material | SA508 Gr.3 Cl.2 + Inconel 690 |
| Application | Solid drilling |
| Tool diameter | ø19.28 mm |
| Machine | BTA machine |
| Coolant | Oil based |
| Cutting speed | 90 m/min |
| Spindle speed | 0.16 mm/rev |
| Chip Breaker | BA |
| Grade | UX2+ZAP |
Turbine Casing drilling with the DTS tooling
The casings, huge components of power generators, require a large number of bolt holes which in the past demanded long machining time with high-speed steel drills and finish boring. Unitac's innovative DTS tooling has been able to dramatically reduce this machining time from 250 min. to 20 min.
| Component | Turbine casing |
| Material | Low alloyed steel |
| Application | Solid drilling |
| Tool diameter | ø118 mm |
| Machine | Horizontal boring and milling machine |
| Coolant | Oil based |
| Cutting speed | 110 m/min |
| Spindle speed | 0.17 mm/rev |
| Chip Breaker | G |
| Grade | UC2220 (NLX) |
High quality surface finish with the HF drill
Burnishing effect improves surface finish. Possible to eliminate finishing process.
| Material | Carbon steel |
| Tool diameter | ø30 mm |
| Drilling depth | 200 mm |
| Machine | BT50 M/C |
| Coolant | Emulsion |
| Cutting speed | 100 m/min |
| Spindle speed | 0.1 mm/rev |
High-speed train axle drilling with Unidex
Drilling D60X2600mm, Unidex achieved the required hole tolerance in one pass before honing. Also helped to reduce operation process, lowering overall machining time.
| Material | Carbon steel |
| Tool diameter | ø60 mm |
| Drilling depth | 2,600 mm |
| Coolant | Oil based |
| Cutting speed | 80 m/min |
| Spindle speed | 0.16 mm/rev |
| Chip Breaker | BR1 |
| Grade | UC1125 (DLXT) |
Wind power generator, main shaft drilling with Unidex
Unidex achieved straightness of 0.2mm/1,500mm in one pass solid drilling of high hardness steel.
| Material | Low alloyed steel |
| Tool diameter | ø155 mm |
| Drilling depth | 1,500 mm |
| Coolant | Oil based |
| Cutting speed | 49 m/min |
| Spindle speed | 0.12 mm/rev |
| Chip Breaker | G |
| Grade | UC2220 (NLX) |
Power steering shaft drilling with BTU drill head
Drilling D12.6x500mm, reduced machining time significantly from 4.5 min. to 2 min. per workpiece with STS (BTA) drilling which replaced gundrilling. Also better accuracy was achieved.
| Material | Carbon steel |
| Tool diameter | ø12.6 mm |
| Drilling depth | 500 mm |
| Machine | BTA machine |
| Coolant | Oil based |
| Cutting speed | 90.6 m/min |
| Spindle speed | 0.12 mm/rev |
| Grade | N3 + ZAP |
